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Author Question: Ammonia in the atmosphere is rarely found in aerosols. Indicate whether the statement is true or ... (Read 91 times)

casperchen82

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on: Jul 21, 2018
Ammonia in the atmosphere is rarely found in aerosols.
 
  Indicate whether the statement is true or false

Question 2

Explain a flashback and what should be done if one occurs.
 
  What will be an ideal response?


allisonblackmore

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Reply #1 on: Jul 21, 2018
Answer to Question 1

F

Answer to Question 2

A flashback is burning inside the torch causing a hissing or squealing noise. Quickly turn off the torch
oxygen valve and then the torch acetylene valve. If fire is suspected in the hoses, rush to close the
acetylene valve and then the oxygen valve at the tanks.



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